Caissa Codex
E21

Nimzo-Indian Defense: Three Knights Variation trainer

Back to the opening, all openings to practise or my repertoire

Type a move and press Enter: e4, Nf3, O-O, or from and to squares like g1f3 (e7e8q to promote). The board is also played with the mouse.

Practise the Nimzo-Indian Defense: Three Knights Variation

The Three Knights Variation of the Nimzo-Indian Defense is 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3, usually called the Kasparov Variation. Play White's moves of the line from memory — 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 — and the trainer plays Black's replies; "Play the other side" turns it around.

"Drill all" adds the 7 named lines that continue it, such as Nimzo-Indian Defense: Three Knights Variation, Korchnoi Variation, Nimzo-Indian Defense: St. Petersburg Variation, Nimzo-Indian Defense: Romanishin Variation, Nimzo-Indian Defense: Three Knights Variation, Euwe Variation, Nimzo-Indian Defense: Romanishin Variation, English Hybrid.

Read about the line, its statistics on Lichess and Stockfish's evaluation on the Nimzo-Indian Defense: Three Knights Variation page, or pick another opening in the opening trainer.

https://chesscodex.org/train/nimzo-indian-defense-three-knights-variation